The document discusses rubber trees and rubber plant houseplants. It describes how rubber plants are ideal houseplants that can thrive in low light conditions, growing up to 6 feet tall indoors. It provides tips for caring for rubber plants, such as providing indirect light, keeping the soil moist but not overwatered, and misting leaves to increase humidity. Common reasons for leaf drop include dry air, drafts, pests, overfertilizing, and overwatering. The document also discusses the cultivation and uses of rubber trees.